<http://schema.org/description>
"\u544A\u8BC9\u6211\u4EEC\u60A8\u79BB\u5F00\u7684\u7406\u7531\uFF1F\u5C3C\u739B\u5C45\u7136\u6709\u8138\u8BA9\u4EBA\u5199\u7406\u7531\uFF01"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/anna42/p151386>